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drivers/rpmsg_port_uart: Zero next when hit RPMSG_PORT_UART_RX_WAIT_START twice

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align the behaviour with Linux driver

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2025-02-25 16:29:13 +08:00 • committed by GUIDINGLI
parent 1196f0869e
commit 4bbccac6f0
1 changed files with 6 additions and 8 deletions
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14
drivers/rpmsg/rpmsg_port_uart.c
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@ -63,8 +63,8 @@
#define RPMSG_PORT_UART_WAKEUP_TIMEOUT MSEC2TICK(100)
#ifdef CONFIG_RPMSG_PORT_UART_CRC
# define rpmsg_port_uart_crc16(hdr) \
crc16ibm((FAR uint8_t *)&(hdr)->cmd, (hdr)->len - sizeof((hdr)->crc))
# define rpmsg_port_uart_crc16(hdr) crc16ibm((FAR uint8_t *)&(hdr)->cmd, \
(hdr)->len - sizeof((hdr)->crc))
#else
# define rpmsg_port_uart_crc16(hdr) 0
#endif
@ -74,7 +74,7 @@
# define rpmsgdbg rpmsgerr
#else
# define rpmsgdump(m,b,s)
# define rpmsgdbg(fmt,...)
# define rpmsgdbg(f,...)
#endif
/****************************************************************************
@ -427,18 +427,16 @@ static int rpmsg_port_uart_rx_thread(int argc, FAR char *argv[])
{
rpmsgerr("Recv dup start char, i=%zd\n", i);
state = RPMSG_PORT_UART_RX_WAIT_START;
next = 0;
}
else if (buf[i] == RPMSG_PORT_UART_END)
{
DEBUGASSERT(hdr->len == next);
DEBUGASSERT(hdr->crc == 0 ||
hdr->crc == rpmsg_port_uart_crc16(hdr));
DEBUGASSERT(rpuart->rx_cb != NULL);
if (rpuart->rx_cb != NULL)
{
rpuart->rx_cb(&rpuart->port, hdr);
}
rpuart->rx_cb(&rpuart->port, hdr);
state = RPMSG_PORT_UART_RX_WAIT_START;
hdr = NULL;
}